AMC 360 spark plug
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3,833 Posts
My 304 has always like the ACDelco. I'll have to check what model number.
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5,512 Posts
Yeap, despite having it drummed into my head for the 15 years by my dad "AC plugs ain't worth a @#$%!"... I follow Rich's lead and run the plugs the factory sent it out the door with... AC's
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